Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 194Get this manual
HONDA 6F2OA25A
CDI UNIT (Except tiller handle type)
Measure the resistance between the CDI unit terminals and be sure that measurements conform to the ranges shown in the table below
11I CDI UNIT
.G BIR BIBu BIN BIIG